<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i class="el-icon-menu"></i>
        </div>
        <div class="logo">水滴管理系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 用户头像 -->
                <div class="user-avator">
                    <img src="../../assets/img/img.jpg">
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
          <span class="el-dropdown-link">
            {{username}}
            <i class="el-icon-caret-bottom"></i>
          </span>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item divided @click.native="logout()" command="loginout">退出登录</el-dropdown-item>
                        <el-dropdown-item divided  command="uppassword">修改密码</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
        <el-dialog align="center" title="修改密码" :visible.sync="hide" width="20%">
            <p>
                <el-input placeholder="请输入用户名" v-model="username" class="icon-nd-input" disabled="true"></el-input>
            </p>
            <p style="margin-top:20px;">
                <el-input placeholder="请输入要修改的密码" v-model="passward" class="icon-nd-input"></el-input>
            </p>
            <el-button
                    style="margin-top:20px;"
                    type="primary"
                    class="icon-button"
                    @click="updataPassword()"
            >确定提交
            </el-button>
        </el-dialog>
    </div>
</template>
<script>
    import bus from "../common/bus";

    export default {
        data() {
            return {
                collapse: false,
                fullscreen: false,
                name: "",
                message: 2,
                hide: false,
                passward: ""
            };
        },
        computed: {
            username() {
                let username = localStorage.getItem("ms_username");
                return username ? username : this.name;
            }
        },
        methods: {

            logout() {
                var res = this;
                this.$axios({
                    url:
                        "/api/logout",
                    method: "get",

                })
                    .then(function (response) {
                        localStorage.clear();
                        res.$router.push("/login");

                    })

            },

            //修改密码
            updataPassword() {
                var res = this;
                this.$axios({
                    url:
                        "/api/waterAgent/updatePasswordByUsername",
                    method: "post",
                    data: {username: res.username, password: res.passward}
                })
                    .then(function (response) {
                        if (response.status <= 200) {
                            res.$message.success(response.data.message);
                            res.hide = false
                        }
                    })
                    .catch(function (error) {
                        res.$message.error(response.data.message);
                    });
            },
            // 用户名下拉菜单选择事件
            handleCommand(command) {
                if (command === "loginout") {

                }
                if (command == "uppassword") {
                    this.hide = true;
                }
            },
            // 侧边栏折叠
            collapseChage() {
                this.collapse = !this.collapse;
                bus.$emit("collapse", this.collapse);
            },
            // 全屏事件
            handleFullScreen() {
                let element = document.documentElement;
                if (this.fullscreen) {
                    if (document.exitFullscreen) {
                        document.exitFullscreen();
                    } else if (document.webkitCancelFullScreen) {
                        document.webkitCancelFullScreen();
                    } else if (document.mozCancelFullScreen) {
                        document.mozCancelFullScreen();
                    } else if (document.msExitFullscreen) {
                        document.msExitFullscreen();
                    }
                } else {
                    if (element.requestFullscreen) {
                        element.requestFullscreen();
                    } else if (element.webkitRequestFullScreen) {
                        element.webkitRequestFullScreen();
                    } else if (element.mozRequestFullScreen) {
                        element.mozRequestFullScreen();
                    } else if (element.msRequestFullscreen) {
                        // IE11
                        element.msRequestFullscreen();
                    }
                }
                this.fullscreen = !this.fullscreen;
            }
        },
        mounted() {
            if (document.body.clientWidth < 1500) {
                this.collapseChage();
            }
        }
    };
</script>
<style scoped>
    .header {
        position: relative;
        box-sizing: border-box;
        width: 100%;
        height: 70px;
        font-size: 22px;
        color: #fff;
    }

    .collapse-btn {
        float: left;
        padding: 0 21px;
        cursor: pointer;
        line-height: 70px;
    }

    .header .logo {
        float: left;
        width: 250px;
        line-height: 70px;
    }

    .header-right {
        float: right;
        padding-right: 50px;
    }

    .header-user-con {
        display: flex;
        height: 70px;
        align-items: center;
    }

    .btn-fullscreen {
        transform: rotate(45deg);
        margin-right: 5px;
        font-size: 24px;
    }

    .btn-bell,
    .btn-fullscreen {
        position: relative;
        width: 30px;
        height: 30px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
    }

    .btn-bell-badge {
        position: absolute;
        right: 0;
        top: -2px;
        width: 8px;
        height: 8px;
        border-radius: 4px;
        background: #f56c6c;
        color: #fff;
    }

    .btn-bell .el-icon-bell {
        color: #fff;
    }

    .user-name {
        margin-left: 10px;
    }

    .user-avator {
        margin-left: 20px;
    }

    .user-avator img {
        display: block;
        width: 40px;
        height: 40px;
        border-radius: 50%;
    }

    .el-dropdown-link {
        color: #fff;
        cursor: pointer;
    }

    .el-dropdown-menu__item {
        text-align: center;
    }
</style>
